make menus, bubbles, etc. top level windows on aura

ui/aura/demo/demo_main.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/at_exit.h"
 #include "base/command_line.h"
 #include "base/i18n/icu_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "third_party/skia/include/core/SkXfermode.h"
@@ skipping 25 matching lines @@
 
   // Overridden from WindowDelegate:
   virtual gfx::Size GetMinimumSize() const OVERRIDE {
     return gfx::Size();
   }
 
   virtual gfx::Size GetMaximumSize() const OVERRIDE {
     return gfx::Size();
   }
 
+  virtual void SetHostTransitionBounds(const gfx::Rect& bounds) OVERRIDE {}
+
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) OVERRIDE {}
   virtual gfx::NativeCursor GetCursor(const gfx::Point& point) OVERRIDE {
     return gfx::kNullCursor;
   }
   virtual int GetNonClientComponent(const gfx::Point& point) const OVERRIDE {
     return HTCAPTION;
   }
   virtual bool ShouldDescendIntoChildForEventHandling(
       aura::Window* child,
       const gfx::Point& location) OVERRIDE {
     return true;
   }
   virtual bool CanFocus() OVERRIDE { return true; }
   virtual void OnCaptureLost() OVERRIDE {}
   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
     canvas->DrawColor(color_, SkXfermode::kSrc_Mode);
   }
   virtual void OnDeviceScaleFactorChanged(float device_scale_factor) OVERRIDE {}
+  virtual void OnWindowHidingAnimationCompleted() OVERRIDE {}
   virtual void OnWindowDestroying() OVERRIDE {}
   virtual void OnWindowDestroyed() OVERRIDE {}
   virtual void OnWindowTargetVisibilityChanged(bool visible) OVERRIDE {}
   virtual bool HasHitTestMask() const OVERRIDE { return false; }
   virtual void GetHitTestMask(gfx::Path* mask) const OVERRIDE {}
   virtual scoped_refptr<ui::Texture> CopyTexture() OVERRIDE {
     return scoped_refptr<ui::Texture>();
   }
 
  private:
@@ skipping 84 matching lines @@
 
   // The exit manager is in charge of calling the dtors of singleton objects.
   base::AtExitManager exit_manager;
 
   ui::RegisterPathProvider();
   icu_util::Initialize();
   ResourceBundle::InitSharedInstanceWithLocale("en-US", NULL);
 
   return DemoMain();
 }